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How do I check if a number is positive or negative in C#?
...ic static class AwesomeExtensions
{
public static bool IsPositive(this int number)
{
return number > 0;
}
public static bool IsNegative(this int number)
{
return number < 0;
}
public static bool IsZero(this int number)
{
return number =...
How to call Android contacts list?
...hen return to my app with the contact's name. Here's the code I got on the internet, but it doesnt work.
13 Answers
...
How do you parse and process HTML/XML in PHP?
...he SimpleXML extension provides a very simple and easily usable toolset to convert XML to an object that can be processed with normal property selectors and array iterators.
SimpleXML is an option when you know the HTML is valid XHTML. If you need to parse broken HTML, don't even consider SimpleX...
Why does the order of the loops affect performance when iterating over a 2D array?
...ttle chunks (called 'cache lines'), typically 64 bytes. If you have 4-byte integers, that means you're geting 16 consecutive integers in a neat little bundle. It's actually fairly slow to fetch these chunks of memory; your CPU can do a lot of work in the time it takes for a single cache line to load...
Serialize Class containing Dictionary member
... The XmlSerializer cannot process
classes implementing the IDictionary
interface. This was partly due to
schedule constraints and partly due to
the fact that a hashtable does not
have a counterpart in the XSD type
system. The only solution is to
implement a custom hashtable that does
...
Getting current unixtimestamp using Moment.js
...to get the Unix TimeStamp using Moment.js.
I can find many functions which convert timestamp to date in moment.js.
I know that I can easily get the unix timestamp by using the following JavaScript function: Math.floor(new Date().getTime()/1000) .
...
What integer hash function are good that accepts an integer hash key?
What integer hash function are good that accepts an integer hash key?
11 Answers
11
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ASP.NET MVC - passing parameters to the controller
...
Plus it world be wise to add a constraints object to the MapRoute, like so: new { firstItem = @"\d" }. This way it will only accept if the parameter is any kind of number. You can modify the regex as you like, and even limit the number of decimals, like this: new...
Sockets: Discover port availability using Java
...ort the port to check for availability
*/
public static boolean available(int port) {
if (port < MIN_PORT_NUMBER || port > MAX_PORT_NUMBER) {
throw new IllegalArgumentException("Invalid start port: " + port);
}
ServerSocket ss = null;
DatagramSocket ds = null;
try...
Getting result of dynamic SQL into a variable for sql-server
...CLARE @sqlCommand nvarchar(1000)
DECLARE @city varchar(75)
declare @counts int
SET @city = 'New York'
SET @sqlCommand = 'SELECT @cnt=COUNT(*) FROM customers WHERE City = @city'
EXECUTE sp_executesql @sqlCommand, N'@city nvarchar(75),@cnt int OUTPUT', @city = @city, @cnt=@counts OUTPUT
select @counts...